Price is in US dollars and excludes tax and handling fees
Logical thinking and problem solving creative business solution
Doing homework, having problem at solving some tasks.
Discussing with her mother, education time.
Colorful crumpled paper balls forming a central core on a wooden table
Hand placing white wooden block completing colorful sequence on blue background
Engineers inspect industrial control systems ensuring safety efficiency and precision
A young girl with curly hair examines a wooden mechanical model
